12. A population data set has mean -2 and standard deviation ơ-11. Find the minimum proportion...
Need help on how to do question 7!
MTH 243 2.5 The Empirical Rule and Chebyshev's Theorem-Saylor 6. A population data set with a bell shaped distribution has mean p-6 and standard deviation ơ-2. Find the approximate proportion of observations in the data set that lie: a. between 4 and 8 b. between 2 and 10; c. between 0 and 12. 7. A population data set with a bell-shaped distribution has mean -2 and standard deviation a -1.1. Find the...
A population data set with a normal distribution has a mean µ = 4 and a standard deviation σ = 1.1. Find the approximate proportion of observations in the data set that lie below 5.1? A. 0.84 B. 0.17 C. 0.34 D. 0.68
Need help with question 6 and how to do a, b and c
MTH 243 2.5 The Empirical Rule and Chebyshev's Theorem-Saylor 6. A population data set with a bell-shaped distribution has meana-6 and standard deviation ơ-2. Find the approximate proportion of observations in the data set that lie: a. between 4 and 8; b. between 2 and 10 c. between 0 and 12. ulation data set with a bell-shaped distribution has mean and standard deviation ơ-1.1. Find the approximate...
uiz Instructions Question 2 3 pts A sample data set with a bell-shaped distribution has mean2 and standard deviation s 1.1. Find the approximate proportion of observations in the data set that lie: 1. below -0.2; [Select 2. below 3.1; I Select ] 3. between -1.3 and 0.9. [ Select ] Previous Next
a quantitative data set of 100 has a mean 25 and standard deviation of 4. At least how many observations lie between 17 and 33? (round up to the nearest whole number)
A quantitative data set has mean 23 and standard deviation 1. At least what percentage of the observations lie between 21 and 257 A. 68% B. 95% С. 25 00% OD, 75.00%
A normal population has mean = 9 and standard deviation -5. (a) What proportion of the population is less than 19? (b) What is the probability that a randomly chosen value will be greater than 4? Round the answers to four decimal places. Part 1 of 2 The proportion of the population less than 19 is Part 2 of 2 The probability that a randomly chosen value will be greater than 4 is : A normal population has mean =...
Question 3 2/3 pts A sample data set with a bell-shaped distribution and size n - 128 has mean -2 and standard deviation s- 1.1. Find the approximate number of observations in the data set that lie: 1. below -0.2; 3 2. below 3.1: 108 3. between -1.3 and 0.9. 19 (Round to the closest integer) Answer 1:
a data set of 90 observations has a mean of 50 and standard
deviation of 10
ESLIun 14 A data set of 90 observations has a mean of 50 and standard deviation of 10. Which of the following is not necessarily true "The interval (20,80) has at least 80 observations" "The interval (40,60) contains approximately 68% of the observations" "The interval (30,70) has at least 75% of the observations" Impossible to know A Moving to another question will save this...
A population data set is right-skewed and has a mean of 100 and a standard deviation of 5. Which of the following is true regarding the sampling distribution of the mean for a sample size of 1,000? Select one: It's standard deviation is 5. It's shape is right-skewed It's standard deviation is 0.158. It's mean is 10.